/Engine/Plugins/Editor/ContentBrowser/ContentBrowserFileDataSource/Source/ContentBrowserFileDataSource/Public/ContentBrowserFileDataSource.h
This duplicates the item at its current path and assigns it a default unique name.
True if the pending item was created, false otherwise.
virtual bool DuplicateItem ( const [FContentBrowserItemData](API\Editor\ContentBrowserData\FContentBrowserItemData) & InItem, [FContentBrowserItemDataTemporaryContext](API\Editor\ContentBrowserData\FContentBrowserItemDataTemporary-) & OutPendingItem )